![Erich Friedman is the top resource for math puzzles. He is prolific and reliably brilliant. Visit his Puzzle Palace and a… | Maths puzzles, Math challenge, Fun math Erich Friedman is the top resource for math puzzles. He is prolific and reliably brilliant. Visit his Puzzle Palace and a… | Maths puzzles, Math challenge, Fun math](https://i.pinimg.com/originals/e0/0c/db/e00cdbb38c2d4fb7c12403f5561452b9.jpg)
Erich Friedman is the top resource for math puzzles. He is prolific and reliably brilliant. Visit his Puzzle Palace and a… | Maths puzzles, Math challenge, Fun math
![Sarah Carter on Twitter: "This Equation Rotation Puzzle from Erich Friedman in Puzzle Box, Volume 2 was a lot of fun to solve. https://t.co/HBPsjrvQXD #mtbos #iteachmath #puzzlingclassroom https://t.co/dAHA6E5AGL" / Twitter Sarah Carter on Twitter: "This Equation Rotation Puzzle from Erich Friedman in Puzzle Box, Volume 2 was a lot of fun to solve. https://t.co/HBPsjrvQXD #mtbos #iteachmath #puzzlingclassroom https://t.co/dAHA6E5AGL" / Twitter](https://pbs.twimg.com/media/Em0UrmJWEAImg62.jpg)
Sarah Carter on Twitter: "This Equation Rotation Puzzle from Erich Friedman in Puzzle Box, Volume 2 was a lot of fun to solve. https://t.co/HBPsjrvQXD #mtbos #iteachmath #puzzlingclassroom https://t.co/dAHA6E5AGL" / Twitter
![Sarah Carter on Twitter: "I decided that Erich Friedman's Plus Times Puzzles deserved to be turned into an Interactive Jamboard activity. https://t.co/T0uJ1xdFQZ #mtbos #iteachmath #puzzlingclassroom https://t.co/wrrhpmsQaG" / Twitter Sarah Carter on Twitter: "I decided that Erich Friedman's Plus Times Puzzles deserved to be turned into an Interactive Jamboard activity. https://t.co/T0uJ1xdFQZ #mtbos #iteachmath #puzzlingclassroom https://t.co/wrrhpmsQaG" / Twitter](https://pbs.twimg.com/media/EtzwW77XUAMUVAN.png)
Sarah Carter on Twitter: "I decided that Erich Friedman's Plus Times Puzzles deserved to be turned into an Interactive Jamboard activity. https://t.co/T0uJ1xdFQZ #mtbos #iteachmath #puzzlingclassroom https://t.co/wrrhpmsQaG" / Twitter
![How good are you in #chess? Here is tough chess challenge by Erich Friedman from Puzzle Box, Volume 1. Place the four ch… | Puzzle box, Word puzzles, Logic problems How good are you in #chess? Here is tough chess challenge by Erich Friedman from Puzzle Box, Volume 1. Place the four ch… | Puzzle box, Word puzzles, Logic problems](https://i.pinimg.com/736x/4a/3d/be/4a3dbe4dd151f8da5c0afb7d7ed9b901.jpg)